/////////////////////////////////////////////////////////////////////////////
// Name: region.h
// Purpose: wxRegion class
-// Author: AUTHOR
+// Author: David Webster
// Modified by:
-// Created: ??/??/98
+// Created: 10/15/99
// RCS-ID: $Id$
-// Copyright: (c) AUTHOR
-// Licence: wxWindows licence
+// Copyright: (c) David Webster
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_REGION_H_
#define _WX_REGION_H_
-#ifdef __GNUG__
-#pragma interface "region.h"
-#endif
-
#include "wx/list.h"
#include "wx/gdiobj.h"
#include "wx/gdicmn.h"
+#include "wx/bitmap.h"
+#include "wx/os2/private.h"
class WXDLLEXPORT wxRect;
class WXDLLEXPORT wxPoint;
enum wxRegionContain {
- wxOutRegion = 0, wxPartRegion = 1, wxInRegion = 2
+ wxOutRegion = 0, wxPartRegion = 1, wxInRegion = 2
};
// So far, for internal use only
-enum wxRegionOp {
-wxRGN_AND, // Creates the intersection of the two combined regions.
-wxRGN_COPY, // Creates a copy of the region identified by hrgnSrc1.
-wxRGN_DIFF, // Combines the parts of hrgnSrc1 that are not part of hrgnSrc2.
-wxRGN_OR, // Creates the union of two combined regions.
-wxRGN_XOR // Creates the union of two combined regions except for any overlapping areas.
-};
+enum wxRegionOp { wxRGN_AND // Creates the intersection of the two combined regions.
+ ,wxRGN_COPY // Creates a copy of the region identified by hrgnSrc1.
+ ,wxRGN_DIFF // Combines the parts of hrgnSrc1 that are not part of hrgnSrc2.
+ ,wxRGN_OR // Creates the union of two combined regions.
+ ,wxRGN_XOR // Creates the union of two combined regions except for any overlapping areas.
+ };
-class WXDLLEXPORT wxRegion : public wxGDIObject {
-DECLARE_DYNAMIC_CLASS(wxRegion);
- friend class WXDLLEXPORT wxRegionIterator;
+class WXDLLEXPORT wxRegion : public wxGDIObject
+{
public:
- wxRegion(long x, long y, long w, long h);
- wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight);
- wxRegion(const wxRect& rect);
- wxRegion();
- ~wxRegion();
-
- //# Copying
- inline wxRegion(const wxRegion& r)
- { Ref(r); }
- inline wxRegion& operator = (const wxRegion& r)
- { Ref(r); return (*this); }
-
- //# Modify region
- // Clear current region
- void Clear();
-
- // Union rectangle or region with this.
- inline bool Union(long x, long y, long width, long height) { return Combine(x, y, width, height, wxRGN_OR); }
- inline bool Union(const wxRect& rect) { return Combine(rect, wxRGN_OR); }
- inline bool Union(const wxRegion& region) { return Combine(region, wxRGN_OR); }
-
- // Intersect rectangle or region with this.
- inline bool Intersect(long x, long y, long width, long height) { return Combine(x, y, width, height, wxRGN_AND); }
- inline bool Intersect(const wxRect& rect) { return Combine(rect, wxRGN_AND); }
- inline bool Intersect(const wxRegion& region) { return Combine(region, wxRGN_AND); }
-
- // Subtract rectangle or region from this:
+ wxRegion( wxCoord x
+ ,wxCoord y
+ ,wxCoord vWidth
+ ,wxCoord vHeight
+ );
+ wxRegion( const wxPoint& rTopLeft
+ ,const wxPoint& rBottomRight
+ );
+ wxRegion(const wxRect& rRect);
+ wxRegion(WXHRGN hRegion, WXHDC hPS); // Hangs on to this region
+ wxRegion( const wxBitmap& bmp)
+ {
+ Union(bmp);
+ }
+ wxRegion( const wxBitmap& bmp,
+ const wxColour& transColour, int tolerance = 0)
+ {
+ Union(bmp, transColour, tolerance);
+ }
+
+ wxRegion();
+ ~wxRegion();
+
+ //
+ // Copying
+ //
+ inline wxRegion(const wxRegion& rSrc)
+ { Ref(rSrc); }
+ inline wxRegion& operator = (const wxRegion& rSrc)
+ { Ref(rSrc); return (*this); }
+
+ //
+ // Modify region
+ //
+
+ //
+ // Clear current region
+ //
+ void Clear(void);
+
+ bool Offset( wxCoord x
+ ,wxCoord y
+ );
+
+ //
+ // Union rectangle or region with this.
+ //
+ inline bool Union( wxCoord x
+ ,wxCoord y
+ ,wxCoord vWidth
+ ,wxCoord vHeight
+ )
+ {
+ return Combine( x
+ ,y
+ ,vWidth
+ ,vHeight
+ ,wxRGN_OR
+ );
+ }
+ inline bool Union( const wxRect& rRect) { return Combine(rRect, wxRGN_OR); }
+ inline bool Union(const wxRegion& rRegion) { return Combine(rRegion, wxRGN_OR); }
+
+ //
+ // Intersect rectangle or region with this.
+ //
+ inline bool Intersect( wxCoord x
+ ,wxCoord y
+ ,wxCoord vWidth
+ ,wxCoord vHeight
+ )
+ {
+ return Combine( x
+ ,y
+ ,vWidth
+ ,vHeight
+ ,wxRGN_AND
+ );
+ }
+ inline bool Intersect(const wxRect& rRect) { return Combine(rRect, wxRGN_AND); }
+ inline bool Intersect(const wxRegion& rRegion) { return Combine(rRegion, wxRGN_AND); }
+
+ //
+ // Subtract rectangle or region from this:
// Combines the parts of 'this' that are not part of the second region.
- inline bool Subtract(long x, long y, long width, long height) { return Combine(x, y, width, height, wxRGN_DIFF); }
- inline bool Subtract(const wxRect& rect) { return Combine(rect, wxRGN_DIFF); }
- inline bool Subtract(const wxRegion& region) { return Combine(region, wxRGN_DIFF); }
-
- // XOR: the union of two combined regions except for any overlapping areas.
- inline bool Xor(long x, long y, long width, long height) { return Combine(x, y, width, height, wxRGN_XOR); }
- inline bool Xor(const wxRect& rect) { return Combine(rect, wxRGN_XOR); }
- inline bool Xor(const wxRegion& region) { return Combine(region, wxRGN_XOR); }
-
- //# Information on region
- // Outer bounds of region
- void GetBox(long& x, long& y, long&w, long &h) const;
- wxRect GetBox() const ;
-
- // Is region empty?
- bool Empty() const;
+ //
+ inline bool Subtract( wxCoord x
+ ,wxCoord y
+ ,wxCoord vWidth
+ ,wxCoord vHeight
+ )
+ {
+ return Combine( x
+ ,y
+ ,vWidth
+ ,vHeight
+ ,wxRGN_DIFF
+ );
+ }
+ inline bool Subtract(const wxRect& rRect) { return Combine(rRect, wxRGN_DIFF); }
+ inline bool Subtract(const wxRegion& rRegion) { return Combine(rRegion, wxRGN_DIFF); }
+
+ //
+ // XOR: the union of two combined regions except for any overlapping areas.
+ //
+ inline bool Xor( wxCoord x
+ ,wxCoord y
+ ,wxCoord vWidth
+ ,wxCoord vHeight
+ )
+ {
+ return Combine( x
+ ,y
+ ,vWidth
+ ,vHeight
+ ,wxRGN_XOR
+ );
+ }
+ inline bool Xor(const wxRect& rRect) { return Combine(rRect, wxRGN_XOR); }
+ inline bool Xor(const wxRegion& rRegion) { return Combine(rRegion, wxRGN_XOR); }
+
+ //
+ // Information on region
+ // Outer bounds of region
+ //
+ void GetBox( wxCoord& rX
+ ,wxCoord& rY
+ ,wxCoord& rWidth
+ ,wxCoord& rHeight
+ ) const;
+ wxRect GetBox(void) const;
+
+ //
+ // Is region empty?
+ //
+ bool Empty(void) const;
inline bool IsEmpty() const { return Empty(); }
- //# Tests
- // Does the region contain the point (x,y)?
- wxRegionContain Contains(long x, long y) const;
- // Does the region contain the point pt?
- wxRegionContain Contains(const wxPoint& pt) const;
- // Does the region contain the rectangle (x, y, w, h)?
- wxRegionContain Contains(long x, long y, long w, long h) const;
- // Does the region contain the rectangle rect?
- wxRegionContain Contains(const wxRect& rect) const;
-
-// Internal
- bool Combine(long x, long y, long width, long height, wxRegionOp op);
- bool Combine(const wxRegion& region, wxRegionOp op);
- bool Combine(const wxRect& rect, wxRegionOp op);
-};
+ //
+ // Tests
+ // Does the region contain the point (x,y)?
+ //
+ wxRegionContain Contains( wxCoord lX
+ ,wxCoord lY
+ ) const;
+
+ //
+ // Convert the region to a B&W bitmap with the black pixels being inside
+ // the region.
+ //
+ wxBitmap ConvertToBitmap(void) const;
+
+ // Use the non-transparent pixels of a wxBitmap for the region to combine
+ // with this region. First version takes transparency from bitmap's mask,
+ // second lets the user specify the colour to be treated as transparent
+ // along with an optional tolerance value.
+ // NOTE: implemented in common/rgncmn.cpp
+ bool Union(const wxBitmap& bmp);
+ bool Union(const wxBitmap& bmp,
+ const wxColour& transColour, int tolerance = 0);
+
+ //
+ // Does the region contain the point pt?
+ //
+ wxRegionContain Contains(const wxPoint& rPoint) const;
+
+ //
+ // Does the region contain the rectangle (x, y, w, h)?
+ //
+ wxRegionContain Contains( wxCoord x
+ ,wxCoord y
+ ,wxCoord lWidth
+ ,wxCoord lHeight
+ ) const;
+
+ //
+ // Does the region contain the rectangle rect?
+ //
+ wxRegionContain Contains(const wxRect& rRect) const;
-class WXDLLEXPORT wxRegionIterator : public wxObject {
+ //
+ // Internal
+ //
+ bool Combine( wxCoord x
+ ,wxCoord y
+ ,wxCoord vWidth
+ ,wxCoord vHeight
+ ,wxRegionOp eOp
+ );
+ bool Combine( const wxRegion& rRegion
+ ,wxRegionOp eOp
+ );
+ bool Combine( const wxRect& rRect
+ ,wxRegionOp eOp
+ );
+
+ //
+ // Get internal region handle
+ //
+ WXHRGN GetHRGN(void) const;
+ void SetPS(HPS hPS);
+
+protected:
+ virtual wxObjectRefData* CreateData(void) const;
+ virtual wxObjectRefData* CloneData(const wxObjectRefData* pData) const;
+
+ friend class WXDLLEXPORT wxRegionIterator;
+ DECLARE_DYNAMIC_CLASS(wxRegion);
+
+}; // end of CLASS wxRegion
+
+class WXDLLEXPORT wxRegionIterator : public wxObject
+{
DECLARE_DYNAMIC_CLASS(wxRegionIterator);
public:
- wxRegionIterator();
- wxRegionIterator(const wxRegion& region);
- ~wxRegionIterator();
+ wxRegionIterator();
+ wxRegionIterator(const wxRegion& rRegion);
+ ~wxRegionIterator();
- void Reset() { m_current = 0; }
- void Reset(const wxRegion& region);
+ void Reset(void) { m_lCurrent = 0; }
+ void Reset(const wxRegion& rRegion);
- operator bool () const { return m_current < m_numRects; }
- bool HaveRects() const { return m_current < m_numRects; }
+ operator bool (void) const { return m_lCurrent < m_lNumRects; }
+ bool HaveRects(void) const { return m_lCurrent < m_lNumRects; }
- void operator ++ ();
- void operator ++ (int);
+ void operator ++ (void);
+ void operator ++ (int);
- long GetX() const;
- long GetY() const;
- long GetW() const;
- long GetWidth() const { return GetW(); }
- long GetH() const;
- long GetHeight() const { return GetH(); }
- wxRect GetRect() const { return wxRect(GetX(), GetY(), GetWidth(), GetHeight()); }
+ wxCoord GetX(void) const;
+ wxCoord GetY(void) const;
+ wxCoord GetW(void) const;
+ wxCoord GetWidth(void) const { return GetW(); }
+ wxCoord GetH(void) const;
+ wxCoord GetHeight(void) const { return GetH(); }
+ wxRect GetRect(void) const { return wxRect(GetX(), GetY(), GetWidth(), GetHeight()); }
private:
- long m_current;
- long m_numRects;
- wxRegion m_region;
- wxRect* m_rects;
-};
+ long m_lCurrent;
+ long m_lNumRects;
+ wxRegion m_vRegion;
+ wxRect* m_pRects;
+}; // end of wxRegionIterator
#endif
- // _WX_REGION_H_
+ // _WX_REGION_H_
projects / wxWidgets.git / blobdiff